Corrosion

Stability evaluation of hot spots in the RDS process reactor

During the end-of-run (EOR) period of the authors’ company’s residue hydrodesulfurization (RDS) process in early February 2019, some hot spots occurred in the catalysts of the reactors.

Understanding HCN in FCC: Formation, effects and mitigating options

Riva, S., BASF; Challis, S., Chalcat Consulting

In these challenging times, fluidized catalytic cracking units (FCCUs) aim to improve margins by processing poorer- or different-quality feeds, while maintaining good yield performance.

Improve the reliability of a CO2 compressor in a urea synthesis/granulation plant

Zardynezhad, S., CNRL-Canada

The carbon dioxide compressor is one of the key major equipment in a urea production plant that produces fertilizers.

TOTAL refineries improve overhead systems corrosion and salting with amine-neutralizing technology

Brun, L. A., Majorel, C., Thoret-Bauchet, J. P., Total; Pothuaud, A., Cross, C., SUEZ Water Technologies & Solutions

Weak organic amines are commonly used in crude unit overhead systems to prevent acidic corrosion from chlorides and other acidic contaminants via a neutralization reaction.

Down with downtime: Repair complex petrochemical components with selective electroplating

Arana, T., SIFCO ASC

The volatile impact of the coronavirus pandemic hit at the same time the petrochemical industry was entering a downcycle.

Specifying internals in sour water strippers—Part 1

A sour water stripper (SWS) system is a common process in petroleum refineries and other processes where hydrogen sulfide is present.

Editorial Comment: The tools advancing the HPI into the digital age

Nichols, Lee, Hydrocarbon Processing Staff

The HPI has been going through a digital transformation, increasingly adopting digital technologies to improve existing processes and structures to improve performance.

Improving asset utilization by closing the corrosion window

Zurlo, J. A., SUEZ Water Technologies & Solutions

Driving profitable refinery operations often requires owner-operators to balance production flexibility and product optimization with asset availability and equipment reliability.

Corrosion: Address damage caused by galvanic corrosion

Anwer, A., Qureshi, N., Contributing Writer

At petrochemical and refining facilities, it is common for U-clamps over piping runs to become corroded, sometimes to the extent where they are completely thinned out.

How to support condition monitoring with wireless instrumentation networks

Cureton, A., Emerson

When WirelessHART first hit the market in 2008, most of the native devices using it were process measurement instruments.